Tkinter CheckButton variables

[klappnase]

"Elaine Jackson" <elainejackson7355 at home.com> wrote in message news:<OSMEc.954254$oR5.38158 at pd7tw3no>...
> My CheckButton variables seem always to be true, whether the box is checked or
> not, which makes them considerably less useful. Following is a little script
> that illustrates the difficulty. Any help will be greatly appreciated. Thank
> you.
> 
> ###########################################
> 
> from Tkinter import *
> 
> def bCommand():
>     if c['variable']: ## ALSO TRIED: if cVbl
>         print 'bool(cVbl)==True'
>     else:
>         print 'bool(cVbl)==False'
> 
> root = Tk()
> cVbl = IntVar()
> c = Checkbutton(root,variable=cVbl)
> c.pack(side=LEFT)
> b = Button(root,height=1,width=10,command=bCommand)
> b.pack(side=LEFT)
> root.mainloop()

c[variable'] returns (of course) cVb1 and therefore will always be true.
You should use

if cVb1.get():
(etc.)

Michael